25 October 1998 at Newton Abbott
| Open | RH Sidecars | Juniors |
| 1- John Jeffries | 1- Mark Edwards & Myles Simmons | 1- Kevin Francis |
| 2- Neil Taylor | 2- Brett Osborne & Jarno Glasscott | 2- Ricky Sobey |
| 3- Rob Vincent | 3- Kevin Stevens & Dave Hogan | 3- Mike Wells |
| 350cc | 500cc Sidecars | 250cc |
| 1- Neil Taylor | 1- Andy Hopkins & Tim Phillips | 1- Lee Pitman |
| 2- Glen Phillips | 2- Mike Read & Mark Thorpe | 2- Mark Netherwood |
| 3- Kevin Francis | 3- Shaun Kirk & Guy Mitchell | 3- John Weeks |
| Pre 75s | ||
| 1- Mike Bowden | ||
| 2- Bill Cook | ||
| 3- Willie Tustin |